quartz optical  lens,Used for optical and vacuum instruments and light source. The size as follows: 1.Circular shape Diameter 50mmx (thickness 1mm-5mm ) Diameter 100mmx(thickness 1mm-5mm ) Diameter 150mmx(thickness 1mm-5mm ) Diameter 198mmx(thickness 1mm-5mm )Other size will according to the customer detail require to produce . 2. Square type 100mmx100mmx(thickness 1mm-30mm) 150mmx150mmx(thickness 1mm-30mm) 200mmx200mmx(thickness 1mm-30mm) 200mmx400mmx(thickness 1mm-30mm) 300mmx300mmx(thickness 1mm-30mm) 400mmx400mmx(thickness 1mm-30mm)Other size will according to the customer detail require to produce .SiO2: 99.98% - 99.99% The UV transmission percentage around 85%-95% at 253.7 nanometers.We have JGS3 and JGS1. The JGS1 quartz plate (lens ) SiO2 is 99.999% If you want to check more detail and connect with us, please check our website and
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Lianyungang Jialei International trade Co. Ltd

Company Overview
Lianyungang Jialei International Trade is a comprehensive company integrated in the production and export of infrared heaters, heating elements and quartz products. our companies focus our innovations on energy efficiency and resource conservation.  Our product range covers:

• Infrared carbon heaters
• Quartz products such as tubes, plates, rods and silicaware
• Heating lamps such as carbon fiber, halogen and metal
• Heating elements such as ceramic and quartz
• All kinds of salts such as sodium chloride, sodium hydrosulfite and calcium carbide

Compliant with International Standardsc
Each year we can turn out up to 500,000 heaters, 500 tons of quartz tubes and 5 million heating lamps. For your assurance, our three factories are ISO 9001:2008-certified and our products have CE, RoHS and REACH marks.

Worldwide Sales Market Coverage
Due to our high quality, steady performance and good after-sales service, 80 percent of our products are exported to Europe, the US and Southeast Asia.

If you have any requirement or question, please feel free to contact with us.